CVE-2025-5039 in RealDWG
Summary
by MITRE • 07/24/2025
A maliciously crafted binary file, when present while loading files in certain Autodesk applications, could lead to execution of arbitrary code in the context of the current process due to an untrusted search path being utilized.
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Analysis
by VulDB Data Team • 08/01/2025
This vulnerability exists within Autodesk applications that process binary files, creating a critical security risk through improper handling of file search paths during application loading operations. The flaw stems from the applications' reliance on untrusted search paths that do not properly validate or sanitize the origins of loaded files, allowing attackers to place malicious binaries in locations that the application will automatically execute. This represents a classic privilege escalation vector where a user with limited permissions can potentially execute arbitrary code with the same privileges as the target application.
The technical implementation of this vulnerability involves the application's dynamic loading mechanism failing to properly isolate or verify the execution context of loaded modules. When Autodesk applications encounter certain binary formats, they traverse search paths that may include directories not explicitly validated by the application's security controls. This behavior aligns with CWE-426 Untrusted Search Path vulnerability classification, where applications execute code from paths that have not been properly verified. The vulnerability can be exploited through manipulation of the file system environment, where an attacker places a malicious binary with the same name as a legitimate module in a directory that gets searched before the intended location.
The operational impact of this vulnerability extends beyond simple code execution, as it can lead to complete system compromise when Autodesk applications are used with elevated privileges. Attackers can leverage this weakness to bypass traditional security controls and establish persistent access within target environments. The vulnerability affects multiple Autodesk products including but not limited to AutoCAD, Revit, and other design applications that process binary formats. This creates widespread exposure across industries that rely heavily on Autodesk software for critical design and engineering workflows, particularly in sectors where these applications run with administrative privileges.
Mitigation strategies should focus on implementing proper input validation and secure coding practices to eliminate reliance on untrusted search paths. Organizations should enforce strict file system permissions and implement application whitelisting policies to prevent unauthorized binary execution. The use of modern security frameworks and secure coding standards should be enforced during application development to prevent similar vulnerabilities from manifesting. Additionally, regular security assessments and penetration testing should be conducted to identify potential search path issues within applications. This vulnerability demonstrates the importance of adhering to ATT&CK framework techniques such as T1059 Command and Scripting Interpreter and T1546 Event Triggered Execution, where attackers exploit application loading mechanisms to achieve unauthorized code execution. System administrators should also consider implementing monitoring solutions that can detect anomalous file loading behaviors and unauthorized binary placements within application directories.